1353981474495 has 24 divisors (see below), whose sum is σ = 2527432086816. Its totient is φ = 666575494848.

The previous prime is 1353981474487. The next prime is 1353981474499. The reversal of 1353981474495 is 5944741893531.

1353981474495 is a `hidden beast` number, since 1 + 3 + 53 + 98 + 1 + 4 + 7 + 4 + 495 = 666.

It is not a de Polignac number, because 1353981474495 - 2³ = 1353981474487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1353981474499) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1157248539 + ... + 1157249708.

It is an arithmetic number, because the mean of its divisors is an integer number (105309670284).

Almost surely, 2^{1353981474495} is an apocalyptic number.

1353981474495 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1353981474495 is a deficient number, since it is larger than the sum of its proper divisors (1173450612321).

1353981474495 is a wasteful number, since it uses less digits than its factorization.

1353981474495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314498271 (or 2314498268 counting only the distinct ones).

The product of its digits is 65318400, while the sum is 63.

The spelling of 1353981474495 in words is "one trillion, three hundred fifty-three billion, nine hundred eighty-one million, four hundred seventy-four thousand, four hundred ninety-five".